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  1. section .data
  2.     buffer  db 99          ; Buffer to store input
  3.     bufLen  equ $ - buffer  ; Length of the buffer
  4.  
  5. section .text
  6.     global _start
  7.  
  8. _start:
  9.     ; Display a prompt
  10.     mov     rdi, 1          ; File descriptor for stdout (1)
  11.     mov     rsi, prompt     ; Pointer to the prompt message
  12.     mov     rdx, promptLen  ; Length of the prompt message
  13.     mov     rax, 1          ; System call number for write
  14.     syscall
  15.  
  16.     ; Read input
  17.     mov     rdi, 0          ; File descriptor for stdin (0)
  18.     mov     rsi, buffer     ; Pointer to the buffer
  19.     mov     rdx, bufLen     ; Maximum number of bytes to read
  20.     mov     rax, 0          ; System call number for read
  21.     syscall
  22.  
  23.     ; Your code to handle the input goes here
  24.  
  25.     ; Exit the program
  26.     mov     rax, 60         ; System call number for exit
  27.     xor     rdi, rdi        ; Exit code 0
  28.     syscall
  29.  
  30. section .data
  31.     prompt      db  "Enter a number or character: ", 0
  32.     promptLen   equ $ - prompt
Success #stdin #stdout 0s 5276KB
comments (?)
stdin
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hello
stdout
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Enter a number or character:
https://ideone.com/2YOyHR
language:
Assembler 64bit (nasm 2.14)
created:
17 days ago
visibility:
public

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